Quote:
Originally Posted by jrcase
I bought 1 Qt. of Royal Purple. I set the car on 4 jack stands and got it as level as I could. I opened the top fill hole bolt and expected fluid to come out but none did. Anyway, I opened the bottom hold and let it drain for about 1/2 hour. (Nasty stuff, full of metal shavings). Came back and filled the differential with the whole quart but it never did overflow back out (I expected to be able to know when it was full by it coming out the top hole). I did get 99% of the quart bottle in there. Since it didnt start to overflow out of the top hole, am I a little low on oil now? I wouldnt think so since none came out when I first opened it. I test drove it and all was normal.
Did anyone else use a full quart and still not have any overflow? Please advise. Thanks!
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What! No GM additive. They say additive first then the litre of Diff fluid and it should be all good.
